06L90CZ
Occlusion Renal Vein, Right to No Qualifier with Extraluminal Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 6 Lower Veins |
| Operation | L Occlusion |
| Body Part | 9 Renal Vein, Right |
| Approach | 0 Open |
| Device | C Extraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Completely closing an orifice or the lumen of a tubular body part
Procedure Overview
Occlusion procedures in the lower veins permanently close off a vessel so blood can no longer flow through it. This is most often used to treat varicose veins, where a diseased or refluxing segment of the great or small saphenous vein is sealed shut, redirecting blood into healthier veins nearby. It's also used to block off perforator veins that are feeding chronic leg ulcers or to close a vessel that's actively bleeding.
Techniques vary widely: some use heat from a laser or radiofrequency catheter to scar the vein wall shut from the inside, others inject a sclerosing chemical or medical adhesive, and some use mechanically placed clips, ligatures, or coils, including vena cava filters that occlude flow to prevent clots from traveling to the lungs.
Patients typically pursue this for cosmetic or symptomatic varicose vein relief, or as a more urgent measure to manage clotting risk or uncontrolled bleeding.
Anatomy & Axis Detail
Renal Vein, Right
The right renal vein is a short, wide trunk draining directly into the inferior vena cava just below the right renal artery, with little redundancy compared to its longer left-sided counterpart. Occlusion here is most often performed to control a renal vein thrombus, to manage a large arteriovenous malformation, or as a step in devascularizing a tumor-bearing kidney before nephrectomy, since the vessel's short course and proximity to the cava make endovascular coil or plug placement technically direct. Because the right vein rarely receives gonadal or adrenal tributaries, occluding it is less likely to produce the collateral venous congestion sometimes seen on the left, though care is taken to confirm the device does not encroach on the adjacent vena cava.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Extraluminal Device
Extraluminal Device describes a device positioned on the outside surface of a tubular or hollow body part rather than within its lumen, such as a vascular banding or external stabilization device. It is the structural counterpart to Intraluminal Device, distinguished by its external placement relative to the vessel or duct wall rather than sitting inside the passageway itself.
Coding & Documentation
The documentation needs to clearly establish that the vein's lumen was fully closed, not just narrowed or repaired, and coders must select the correct approach value based on whether the closure was done via an open incision, a percutaneous needle stick, or an endoscopic catheter, since energy-based ablation and chemical sclerotherapy are both captured as Occlusion despite using very different tools.
A frequent assignment error is confusing a vena cava filter placement, which is an Occlusion combined with a device value, with a simple ligation that requires no device code at all. Coders also sometimes miss that laser and radiofrequency ablation both map to Occlusion with a qualifier reflecting the specific method, rather than to Destruction, which is not used for this body system's ablation procedures.